"...[I]t reproduces all the Roman and Greek capitals, the Arabic numerals, the ampersand, and ligatures. It gives instructions for their construction, and provides a complete synopsis of the geometric logic underlying the entire system" -- front flap
Contents:
To construct a square
To find a distance one-ninth that of a given line
The Roman alphabet
The ampersand, and inter-point, the ligatures AE and CE
The Greek characters
The Arabic numerals
The letters, characters, and numbers together
The letters, characters, and numbers in sequence